278317070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{20879}}^1$

素因数の和:20960

約数の個数: 32

約数和(自身を含む): 529182720

約数和(自身を除く): 250865650

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 2666, 6665, 13330, 20879, 41758, 104395, 208790, 647249, 897797, 1294498, 1795594, 3236245, 4488985, 6472490, 8977970, 27831707, 55663414, 139158535, 278317070]

約数ペア:

[(1, 278317070), (2, 139158535), (5, 55663414), (10, 27831707), (31, 8977970), (43, 6472490), (62, 4488985), (86, 3236245), (155, 1795594), (215, 1294498), (310, 897797), (430, 647249), (1333, 208790), (2666, 104395), (6665, 41758), (13330, 20879)]